Chevrolet Sonic Repair Manual: Intake Manifold Cleaning and Inspection
- Clean the intake manifold mating surfaces.
- Inspect the intake manifold (2) for damage.
- Inspect the intake manifold for cracks near metallic inserts.
- Inspect the crankcase ventilation passages in the intake manifold face for blockage.
- Clean the crankcase ventilation passages with compressed air if necessary. Use a maximum of 172 kPa (25 psi) of air pressure.
- Clean the throttle body sealing surface (1).
- Clean the intake manifold to cylinder head sealing surface (3).
- Replace the intake manifold as necessary.
Warning:
Wear safety glasses in order to avoid eye damage.
Intake Manifold Assemble (1.8L LUW and LWE)
Install the 4 NEW multiport fuel injector seals (4).
Install the multiport fuel injection fuel rail (2) and the fuel injectors (3)
to the intake manifold ( ...
Intake Manifold Disassemble
Remove the fuel injection rail ground cable nut (1).
Remove the 2 fuel injection rail bolts (2).
Remove the fuel injection fuel rail assembly (3).
Remove the ...
Other materials:
Front Fog Lamp Replacement
Front Fog Lamp Replacement
Callout
Component Name
Preliminary Procedure
Remove either the right front or left front wheelhouse liner. Refer
to Front Wheelhouse Liner Replacement.
Disconnect the electrical connector from t ...
Throttle Body Heater Inlet Pipe Replacement (LUW)
Throttle Body Heater Inlet Pipe Replacement
Callout
Component Name
Preliminary Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
1
Throttle Body Heater Inlet Pipe
...
Fuel Injection Fuel Rail Assembly Replacement
Removal Procedure
Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection
and Connection.
Remove engine cover. Refer to Engine Cover Replacement.
Remove the fuel feed pipe from fuel injection fuel rail. Refer to Fuel
Feed Pipe Replacement.
Re ...
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